Gear pump for coffee machine and coffee machine

Abstract

The utility model provides a gear pump for a coffee machine and the coffee machine, and relates to the technical field of coffee machines. The gear pump for the coffee machine comprises a mounting frame, a cover plate and a driving motor, a gear cavity is formed in the mounting frame, a driving gear and a driven gear which are meshed with each other are rotatably mounted in the gear cavity, the driving motor is mounted on the side, away from the gear cavity, of the mounting frame, and an output shaft of the driving motor can extend into the gear cavity to drive the driving gear to rotate; a liquid inlet cavity and a liquid outlet cavity are formed in the two opposite sides, located at the meshing position of the driving gear and the driven gear, of the mounting frame, the liquid inlet cavity and the liquid outlet cavity are both communicated with the gear cavity, the cover plate can cover the mounting frame to seal the gear cavity, the liquid inlet cavity and the liquid outlet cavity, and a liquid inlet connector and a liquid outlet connector are formed in the cover plate. Based on the technical scheme, the gear pump for the coffee machine has the advantages of being compact in structure and small in size, and the size of the coffee machine can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee machines, in particular to a gear pump for a coffee machine and the coffee machine. Background Art

[0002] Coffee is a beverage made from roasted and ground coffee beans. As one of the three major beverages in the world, coffee, cocoa and tea are the main beverages popular in the world. Coffee has become popular among consumers, and more and more people are taking coffee as a daily drink.

[0003] In order to drink coffee more conveniently, various coffee machines have appeared on the market. In order to facilitate users to carry coffee machines, coffee machine manufacturers pursue the goal of miniaturization. Gear pumps are essential components of coffee machines. Therefore, it is necessary to design a gear pump for coffee machines with a compact structure and a small size. Utility Model Content

[0004] In view of the above problems in the prior art, the present application proposes a gear pump for a coffee machine and a coffee machine, which have the advantages of compact structure and small size, and can reduce the size of the coffee machine.

[0005] One aspect of the utility model provides a gear pump for a coffee machine, the gear pump for a coffee machine comprising a mounting frame, a cover plate and a driving motor, the mounting frame being provided with a gear cavity, in which a driving gear and a driven gear meshing with each other can be rotatably mounted, the driving motor being installed on a side of the mounting frame away from the gear cavity, the output shaft of the driving motor being able to extend into the gear cavity to drive the driving gear to rotate, the mounting frame being provided with a liquid inlet cavity and a liquid outlet cavity on opposite sides of a meshing position of the driving gear and the driven gear, the liquid inlet cavity and the liquid outlet cavity being both connected with the gear cavity, the cover plate being able to cover the mounting frame to seal the gear cavity, the liquid inlet cavity and the liquid outlet cavity, the cover plate being provided with a liquid inlet interface and a liquid outlet interface, the liquid inlet interface being able to be connected with the liquid inlet cavity, and the liquid outlet interface being able to be connected with the liquid outlet cavity.

[0006] As a further improvement of the above technical solution:

[0007] The above-mentioned gear pump for coffee machine, further, the mounting frame is provided with sealing grooves around the outer periphery of the gear cavity, the liquid inlet cavity and the liquid outlet cavity, a sealing ring is installed in the sealing groove, and the cover plate can squeeze the sealing ring to cover the mounting frame.

[0008] The gear pump for the coffee machine mentioned above, further, the mounting frame is provided with at least two positioning holes, the cover plate is provided with at least two positioning posts, each of the positioning posts can be positioned and matched with each of the positioning holes in a one-to-one correspondence so that the cover plate is positioned on the mounting frame.

[0009] The above-mentioned gear pump for the coffee machine further comprises: a first fixing hole is formed on the cover plate, a second fixing hole is formed on the mounting frame, and a threaded hole is formed on the driving motor; a fixing bolt can sequentially pass through the first fixing hole and the second fixing hole and be threadedly engaged with the threaded holes.

[0010] Another aspect of the present invention provides a coffee machine, wherein the coffee machine has the gear pump for the coffee machine as described above.

[0011] The above technical features can be combined in various suitable ways or replaced by equivalent technical features as long as the purpose of the utility model can be achieved.

[0012] The utility model provides a coffee machine gear pump and coffee machine, which have at least the following beneficial effects compared with the prior art: when the coffee machine gear pump is used, the liquid inlet pipe of the coffee machine is connected to the liquid inlet interface, the liquid outlet pipe of the coffee machine is connected to the liquid outlet interface, the drive motor is started, the output shaft of the drive motor can drive the driving gear to rotate, and the driving gear drives the mutually meshing driven gears to rotate, so that the liquid entering the liquid inlet cavity from the liquid inlet pipe of the coffee machine through the liquid inlet interface is extracted to the liquid outlet cavity, and enters the liquid outlet pipe of the coffee machine from the liquid outlet interface. The coffee machine gear pump has a compact structure and a small size, which is conducive to reducing the size of the coffee machine.

[0013] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings.

[0016] Figure 1 The schematic diagram of the external structure of the gear pump for a coffee machine provided by an embodiment of the utility model is shown;

[0017] Figure 2A schematic diagram showing the internal structure of a gear pump for a coffee machine provided by an embodiment of the utility model is shown;

[0018] Figure 3 A schematic structural diagram of a cover plate of a gear pump for a coffee machine provided by an embodiment of the utility model is shown;

[0019] Figure 4 The schematic diagram shows the structure of the drive motor of the gear pump for the coffee machine provided by the embodiment of the utility model.

[0020] In the drawings, like reference numerals are used for like parts. The drawings are not necessarily to scale.

[0021] Description of reference numerals:

[0022] 100-gear pump for coffee machine, 110-mounting frame, 111-gear chamber, 112-driving gear, 113-driven gear, 114-liquid inlet chamber, 115-liquid outlet chamber, 116-sealing groove, 117-sealing ring, 118-positioning hole, 119-second fixing hole, 120-cover plate, 121-liquid inlet interface, 122-liquid outlet interface, 123-positioning column, 124-first fixing hole, 125-fixing bolt, 130-driving motor, 131-output shaft, 132-threaded hole. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0028] The utility model will be further described below in conjunction with the accompanying drawings.

[0029] The embodiment of the utility model provides a gear pump 100 for a coffee machine, which has the advantages of compact structure and small size, and can reduce the size of the coffee machine.

[0030] See also Figure 1 and Figure 2 The coffee machine gear pump 100 provided by the utility model embodiment comprises a mounting frame 110, a cover plate 120 and a driving motor 130. The mounting frame 110 is provided with a gear cavity 111, in which a driving gear 112 and a driven gear 113 meshing with each other can be rotatably mounted. The driving motor 130 is mounted on the mounting frame 110 on a side away from the gear cavity 111. Figure 4The output shaft 131 of the driving motor 130 can extend into the gear cavity 111 to drive the driving gear 112 to rotate. The mounting frame 110 is provided with a liquid inlet cavity 114 and a liquid outlet cavity 115 on opposite sides of the meshing position of the driving gear 112 and the driven gear 113. The liquid inlet cavity 114 and the liquid outlet cavity 115 are both connected to the gear cavity 111. The cover plate 120 can be covered on the mounting frame 110 to seal the gear cavity 111, the liquid inlet cavity 114 and the liquid outlet cavity 115. The cover plate 120 is provided with a liquid inlet interface 121 and a liquid outlet interface 122. The liquid inlet interface 121 can be connected to the liquid inlet cavity 114, and the liquid outlet interface 122 can be connected to the liquid outlet cavity 115.

[0031] The gear pump 100 for a coffee machine provided by the embodiment of the utility model, when in use, the liquid inlet pipe of the coffee machine is connected to the liquid inlet interface 121, the liquid outlet pipe of the coffee machine is connected to the liquid outlet interface 122, the drive motor 130 is started, the output shaft 131 of the drive motor 130 can drive the driving gear 112 to rotate, and the driving gear 112 drives the mutually meshing driven gear 113 to rotate, so that the liquid entering the liquid inlet cavity 114 from the liquid inlet pipe of the coffee machine through the liquid inlet interface 121 is extracted to the liquid outlet cavity 115, and enters the liquid outlet pipe of the coffee machine from the liquid outlet interface 122. The gear pump 100 for a coffee machine provided by the embodiment of the utility model has a compact structure and a small size, which is conducive to reducing the size of the coffee machine. The gear pump 100 for a coffee machine provided by the embodiment of the utility model can be used to pump milk in a fully automatic coffee machine, and combined with other accessories to make milk foam, and is used for water circulation and pressurization in a capsule coffee machine.

[0032] The gear pump 100 for a coffee machine provided in the embodiment of the present invention is further described in detail. Figure 2 The mounting frame 110 is provided with a sealing groove 116 around the outer periphery of the gear chamber 111, the liquid inlet chamber 114 and the liquid outlet chamber 115. A sealing ring 117 is installed in the sealing groove 116. The cover plate 120 can squeeze the sealing ring 117 and cover the mounting frame 110. The cover plate 120 can squeeze the sealing ring 117 and cover the mounting frame 110, thereby achieving a sealing effect, and the liquid in the gear chamber 111, the liquid inlet chamber 114 and the liquid outlet chamber 115 will not flow out from the gap between the mounting frame 110 and the cover plate 120.

[0033] The gear pump 100 for a coffee machine provided in the embodiment of the present invention is further described in detail. Figure 2 and Figure 3 The mounting frame 110 is provided with at least two positioning holes 118, and the cover plate 120 is provided with at least two positioning posts 123. Each positioning post 123 can be positioned and matched with each positioning hole 118 one by one so that the cover plate 120 is positioned on the mounting frame 110. The cover plate 120 is provided with a first fixing hole 124, and the mounting frame 110 is provided with a second fixing hole 119. Figure 4 The drive motor 130 is provided with a threaded hole 132, and the fixing bolt 125 can sequentially pass through the first fixing hole 124 and the second fixing hole 119 and threadedly engage with the threaded hole 132. When the cover plate 120 needs to be installed on the mounting frame 110, the positioning columns 123 on the cover plate 120 can be firstly positioned and engaged with the positioning holes 118 one by one to position the cover plate 120 on the mounting frame 110, and then the fixing bolt 125 can be sequentially passed through the first fixing hole 124 and the second fixing hole 119 and threadedly engage with the threaded hole 132.

[0034] The embodiment of the utility model further provides a coffee machine, which has a gear pump 100 for a coffee machine provided by any of the above embodiments. The specific structure of the gear pump 100 for a coffee machine refers to the above embodiments. Since the coffee machine adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0036] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments, and other arrangements may be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the features described in the various dependent claims and herein may be combined in a manner different from that described in the original claims. It may also be understood that the features described in conjunction with the individual embodiments may be used in other described embodiments.

Claims

1. A gear pump for a coffee machine, characterized in that: The gear pump for a coffee machine comprises a mounting frame, a cover plate and a driving motor, wherein a gear cavity is provided on the mounting frame, and a driving gear and a driven gear meshing with each other can be rotatably mounted in the gear cavity, the driving motor is mounted on a side of the mounting frame away from the gear cavity, and the output shaft of the driving motor can extend into the gear cavity to drive the driving gear to rotate, and a liquid inlet cavity and a liquid outlet cavity are provided on opposite sides of the mounting frame at the meshing position of the driving gear and the driven gear, and the liquid inlet cavity and the liquid outlet cavity are both connected to the gear cavity, the cover plate can be covered on the mounting frame to seal the gear cavity, the liquid inlet cavity and the liquid outlet cavity, and a liquid inlet interface and a liquid outlet interface are provided on the cover plate, the liquid inlet interface can be connected to the liquid inlet cavity, and the liquid outlet interface can be connected to the liquid outlet cavity.

2. The gear pump for a coffee machine according to claim 1, characterized in that: The mounting frame is provided with sealing grooves around the outer peripheries of the gear chamber, the liquid inlet chamber and the liquid outlet chamber, and sealing rings are installed in the sealing grooves. The cover plate can squeeze the sealing rings and cover the mounting frame.

3. The gear pump for a coffee machine according to claim 1, characterized in that: At least two positioning holes are formed on the mounting frame, and at least two positioning posts are formed on the cover plate. Each positioning post can be positioned and matched with each positioning hole in a one-to-one correspondence so that the cover plate is positioned on the mounting frame.

4. The gear pump for a coffee machine according to claim 1, characterized in that: The cover plate is provided with a first fixing hole, the mounting frame is provided with a second fixing hole, and the drive motor is provided with a threaded hole. A fixing bolt can pass through the first fixing hole and the second fixing hole in sequence and be threadedly matched with the threaded holes.

5. A coffee machine, characterized in that: The coffee machine comprises the gear pump for a coffee machine according to any one of claims 1 to 4.

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